"Conservationists touted a major victory Tuesday in their battle to protect Yellowstone grizzly bears when a federal appeals court ruled that wildlife managers erred when they removed Endangered Species Act protection from 'one of the American West's most iconic wild animals.'"

"Nebraska governor Dave Heineman signed into law on Tuesday bills to reroute the Keystone XL pipeline away from the ecologically sensitive Sandhills region."

"State and federal wildlife officials have a rare opportunity to stem the decline of American shad on the Susquehanna River, a Chesapeake Bay tributary crucial to annual spawning runs."

"The acidification of the world’s oceans from an excess of CO2 emissions has already begun, as evidenced recently by the widespread mortality of oyster larvae in the Pacific Northwest. Scientists say this is just a harbinger of things to come if greenhouse gas emissions continue to soar."

"Naomi Oreskes is a science historian, professor at the University of California, San Diego, and co-author (with Erik Conway) of Merchants of Doubt, a book that examined how a handful of scientists obscure the facts on a range of issues, including tobacco use and climate change. Her seminal paper in the journal Science, 'Beyond the Ivory Tower: The Scientific Consensus on Climate Change,' challenged - back in 2004 - the notion that climate change science was uncertain. Her work has documented the spread of doubt-mongering from an industry practice to a political strategy."

Despite misleading and poorly sourced reports, it now appears that a successful and damaging cyberattack on a Springfield, Ill., water utility may have used a variant of the Stutznet worm. Reports have raised the question of whether the U.S. government, along with Israel, was involved in developing it.

"ANCHORAGE, Alaska  — Alaska's Cook Inlet beluga whales were correctly listed as endangered, a federal judge ruled Monday, rejecting a state lawsuit that claimed the listing will hurt economic development."

"The U.S. Environmental Protection Agency, struggling with an ambitious agenda on clean air regulations, said it will delay proposing the country's first-ever greenhouse gas limits on oil refineries."

As the public's demand for practical information on climate change grows, Congressional Republicans have killed a no-cost measure that would help the public get that information.

"Grain farmers in the Midwest may want to pinch themselves."